/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see <http://www.gnu.org/licenses/>. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include "config.h" #include "gdk/gdk.h" #include "gtkprivate.h" #define STRICT #include <windows.h> #include <commctrl.h> #undef STRICT /* In practice, resulting DLL will have manifest resource under index 2. * Fall back to that value if we can't find resource index programmatically. */ #define EMPIRIC_MANIFEST_RESOURCE_INDEX 2 static HMODULE gtk_dll; extern HINSTANCE _gdk_dll_hinstance; BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved); BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { switch (fdwReason) { case DLL_PROCESS_ATTACH: gtk_dll = (HMODULE) hinstDLL; _gdk_dll_hinstance = hinstDLL; break; default: break; } return TRUE; } static BOOL CALLBACK find_first_manifest (HMODULE module_handle, LPCSTR resource_type, LPSTR resource_name, LONG_PTR user_data) { LPSTR *result_name = (LPSTR *) user_data; if (resource_type == RT_MANIFEST) { if (IS_INTRESOURCE (resource_name)) *result_name = resource_name; else *result_name = g_strdup (resource_name); return FALSE; } return TRUE; } /* * Grabs the first manifest it finds in libgtk3 (which is expected to be the * common-controls-6.0.0.0 manifest we embedded to enable visual styles), * uses it to create a process-default activation context, activates that * context, loads up the library passed in @dllname, then deactivates and * releases the context. * * In practice this is used to force system DLLs (like comdlg32) to be * loaded as if the application had the same manifest as libgtk3 * (otherwise libgtk3 manifest only affests libgtk3 itself). * This way application does not need to have a manifest or to link * against comctl32. * * Note that loaded library handle leaks, so only use this function in * g_once_init_enter (leaking once is OK, Windows will clean up after us). */ void _gtk_load_dll_with_libgtk3_manifest (const char *dll_name) { HANDLE activation_ctx_handle; ACTCTXA activation_ctx_descriptor; ULONG_PTR activation_cookie; LPSTR resource_name; BOOL activated; DWORD error_code; resource_name = NULL; EnumResourceNames (gtk_dll, RT_MANIFEST, find_first_manifest, (LONG_PTR) &resource_name); if (resource_name == NULL) resource_name = MAKEINTRESOURCEA (EMPIRIC_MANIFEST_RESOURCE_INDEX); memset (&activation_ctx_descriptor, 0, sizeof (activation_ctx_descriptor)); activation_ctx_descriptor.cbSize = sizeof (activation_ctx_descriptor); activation_ctx_descriptor.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID | ACTCTX_FLAG_SET_PROCESS_DEFAULT; activation_ctx_descriptor.hModule = gtk_dll; activation_ctx_descriptor.lpResourceName = resource_name; activation_ctx_handle = CreateActCtx (&activation_ctx_descriptor); error_code = GetLastError (); if (activation_ctx_handle == INVALID_HANDLE_VALUE && error_code != ERROR_SXS_PROCESS_DEFAULT_ALREADY_SET) g_warning ("Failed to CreateActCtx for module %p, resource %p: %lu", gtk_dll, resource_name, GetLastError ()); else if (error_code != ERROR_SXS_PROCESS_DEFAULT_ALREADY_SET) { activation_cookie = 0; activated = ActivateActCtx (activation_ctx_handle, &activation_cookie); if (!activated) g_warning ("Failed to ActivateActCtx: %lu", GetLastError ()); LoadLibraryA (dll_name); if (activated && !DeactivateActCtx (0, activation_cookie)) g_warning ("Failed to DeactivateActCtx: %lu", GetLastError ()); ReleaseActCtx (activation_ctx_handle); } if (!IS_INTRESOURCE (resource_name)) g_free (resource_name); } const char * _gtk_get_libdir (void) { static char *gtk_libdir = NULL; if (gtk_libdir == NULL) { char *root = g_win32_get_package_installation_directory_of_module (gtk_dll); char *slash = strrchr (root, '\\'); if (slash != NULL && g_ascii_strcasecmp (slash + 1, ".libs") == 0) gtk_libdir = g_strdup (GTK_LIBDIR); else gtk_libdir = g_build_filename (root, "lib", NULL); g_free (root); } return gtk_libdir; } const char * _gtk_get_localedir (void) { static char *gtk_localedir = NULL; if (gtk_localedir == NULL) { const char *p; char *root, *temp; /* GTK_LOCALEDIR ends in either /lib/locale or * /share/locale. Scan for that slash. */ p = GTK_LOCALEDIR + strlen (GTK_LOCALEDIR); while (*--p != '/') ; while (*--p != '/') ; root = g_win32_get_package_installation_directory_of_module (gtk_dll); temp = g_build_filename (root, p, NULL); g_free (root); /* gtk_localedir is passed to bindtextdomain() which isn't * UTF-8-aware. */ gtk_localedir = g_win32_locale_filename_from_utf8 (temp); g_free (temp); } return gtk_localedir; } const char * _gtk_get_datadir (void) { static char *gtk_datadir = NULL; if (gtk_datadir == NULL) { char *root = g_win32_get_package_installation_directory_of_module (gtk_dll); gtk_datadir = g_build_filename (root, "share", NULL); g_free (root); } return gtk_datadir; } const char * _gtk_get_sysconfdir (void) { static char *gtk_sysconfdir = NULL; if (gtk_sysconfdir == NULL) { char *root = g_win32_get_package_installation_directory_of_module (gtk_dll); gtk_sysconfdir = g_build_filename (root, "etc", NULL); g_free (root); } return gtk_sysconfdir; } const char * _gtk_get_data_prefix (void) { static char *gtk_data_prefix = NULL; if (gtk_data_prefix == NULL) gtk_data_prefix = g_win32_get_package_installation_directory_of_module (gtk_dll); return gtk_data_prefix; }